Food Scientist Hanni Rutzler inspects a burger made from cultured beef grown in a laboratory from stem cells of cattle, which has been developed by Professor Mark Post of Maastricht University in the Netherlands, not pictured, during a the world's first public tasting event for the food product in London, Monday Aug. 5, 2013. The Cultured Beef could help solve the coming food crisis and combat climate change according to the producers of the burger which cost some 250,000 euros (US dlrs 332,000) to produce. (AP Photo / David Parry, PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES

Food Scientist Hanni Rutzler inspects a burger made from cultured beef grown in a laboratory from stem cells of cattle, which has been developed by Professor Mark Post of Maastricht University in the Netherlands, not pictured, during a the world's first public tasting event for the food product in London, Monday Aug. 5, 2013. The Cultured Beef could help solve the coming food crisis and combat climate change according to the producers of the burger which cost some 250,000 euros (US dlrs 332,000) to produce. (AP Photo / David Parry, PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES